benchlm.ai

Claude 4 Sonnet vs GPT-5 (medium)

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

GPT-5 (medium) wins overall with a score of 70 vs 59 (11 point difference).GPT-5 (medium) wins 4 out of 4 categories.

Claude 4 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score59

GPT-5 (medium)

CreatorOpenAI
TypeProprietary
Context128K
Score70

Knowledge

GPT-5 (medium)

Claude 4 Sonnet

71.5

GPT-5 (medium)

88

73
MMLU
91
73
GPQA
89
71
SuperGPQA
87
69
OpenBookQA
85

Coding

GPT-5 (medium)

Claude 4 Sonnet

65

GPT-5 (medium)

83

65
HumanEval
83

Mathematics

GPT-5 (medium)

Claude 4 Sonnet

72

GPT-5 (medium)

92

73
AIME 2023
93
75
AIME 2024
95
74
AIME 2025
94
69
HMMT Feb 2023
89
71
HMMT Feb 2024
91
70
HMMT Feb 2025
90
72
BRUMO 2025
92

Reasoning

GPT-5 (medium)

Claude 4 Sonnet

70

GPT-5 (medium)

86

71
SimpleQA
87
69
MuSR
85

Frequently Asked Questions

Which is better, Claude 4 Sonnet or GPT-5 (medium)?

GPT-5 (medium) scores higher overall with 70 vs 59, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or GPT-5 (medium)?

GPT-5 (medium) leads in knowledge tasks with an average score of 88 vs 71.5.

Which is better for coding, Claude 4 Sonnet or GPT-5 (medium)?

GPT-5 (medium) leads in coding with an average score of 83 vs 65.

Which is better for math, Claude 4 Sonnet or GPT-5 (medium)?

GPT-5 (medium) leads in math with an average score of 92 vs 72.

Which is better for reasoning, Claude 4 Sonnet or GPT-5 (medium)?

GPT-5 (medium) leads in reasoning with an average score of 86 vs 70.

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